Roof Prism Open Hinge, 5 Groups 7 Lens, High Definition Binocular, Lightweight and Compact
42mm Large Objective Lens Gives Wide Field of View, Perfect for Bird-watching and Observation
FMC with Dielectrical Coating Ensure Light Transmittance, Providing Bright and Crystal Images
IP67 Waterproof and Nitrogen-Filled to Avoid Fogged up Lens in High Moisture Environment
10x42mm Configuration That Can Catch More Details and Brings A Better Resolution